# Custom Formulas vs Histree

The clearest difference is price: Histree at Free against Custom Formulas's $3.99. Custom Formulas's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Histree is free to download; Custom Formulas costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Custom Formulas | Histree |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/custom-formulas/id1623368630/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | — |
| Monetization | Paid | — |
| Size | 1 MB | 38 MB |
| Requires iOS | 15.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Dunk](https://appshunter.io/developer/704471943) | [Kyuman Kim](https://appshunter.io/developer/1882931584) |

## What reviewers say

### Custom Formulas

[App page](https://appshunter.io/ios/app/custom-formulas/id1623368630)

This utility app allows users to create and manage complex calculations with multiple inputs and outputs. Formulas can be linked, grouped into categories, and customized for display precision. Share your custom calculations easily via email.

**Highlights:** Multiple input/output formula support, Linked formulas via variable names, Formula categorization, Customizable variable display order, Adjustable output decimal precision, Email formula sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Histree

[App page](https://appshunter.io/ios/app/histree-your-history-tree/id6780384250)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Custom Formulas free?

Custom Formulas costs $3.99, with no in-app purchases.

### Is Histree free?

Histree is free to download, with no in-app purchases.

### Do Custom Formulas or Histree have ads?

Histree shows ads; Custom Formulas does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*